. >>> we're watching developments in egypt, as well, where tens of thousands of protesters have been jamming cairo's tahrir square for hours now. they denouncing president morsi and that draft constitution his islamic allies approved early today. james maceda joining me live. it appears reminiscent of the scene two years ago. >> reporter: you're right. and i want to point out something that's just happened within the last couple of minutes. we've seen some exchanges of blows, some scuffling going on between what looks like mostly anti-morsi people who are here obviously, this is an opposition demonstration, and perhaps some infiltrated pro morsi people. it's hard to tell. but just down below us, there was some scuffling, some punching out, and using sticks. and suddenly the group were thrown by undercover security into a van and driven off. this all just happened a few moments ago. you're absolutely right that we get that feeling of two years ago here. you've got a massive crowd, by last estimate about 100,000 here tonight, packed into this square. it's of course ground zero 2011 res